GE 90-30 PLC Series Installation And Hardware Manual page 430

English and Metric Equivalents
This section is based upon information published on the World Wide Web by the U.S.
government's National Institute of Standards and Technology (NIST). For further information,
visit their web site at www.nist.gov.
Table K-5. Length Equivalents
Units
1 inch =
1 foot =
1 yard =
1 mile =
1 mm =
1 cm =
1 meter =
Table K-6. Area Equivalents
1 square inch =
1 square foot =
1 square yard =
1 square mile =
1 square
centimeter =
1 square meter =
GFK-0356Q Appendix K Tables and Formulas
Units of Length (Underlined Figures are Exact)
Inches Feet
1 0.083 333
12
36
63,360 5,280
0.0393 700 0.003 280 8
0.393 700 8 0.032 808
39.370 08 3.280 840
Units of Area (Underlined Figures are Exact)
Units Square Square Feet
Inches
1
144
1296
4,014,489,600
0.155 000 3
1,550.003
Yards Millimeters
0.027 777 25.4
1 0.333 333 304.8
3 1 914.4
1,760 1,609,344
0.001 093 6
0.010 936
1.093 613 1000
Square
Yards
0.006944 0.000 771 604 9
1 0.111111
9 1
27,878,400 3,097,600
0.001 076 391 0.0001195990
10.763 91 1.195 990
Centimeters Meters
2.54 0.025 4
30.48 0.304 8
91.44 0.914 4
160,934.4 1,609.344
1 .1
10 1
100
Square Square Meters
Centimeters
6.451 6 0.000 645 16
929.030 4 0.092 903 04
8,361.273 6 0.836 127 36
25,899,881,103.36 2,589,988.110 336
1
10,000
K
.001
0.01
1
0.0001
1
K-5